The elements that are in group 2 of the Periodic Table, namely Be, Mg, Ca, Sr, Ba and Ra. Some other transition metals will form +2 ions, such as Cu, Zn, Fe, etc.
The most familiar one is aluminum, which can form ions with a charge of plus 3, for example in compounds such as aluminum oxide.
As it is an alkali metal, it forms the Cs+ ion
Two ions with a +1 charge will bond with one ion with a -2 charge to form a neutral compound. The ratio is determined by the charges on the ions, ensuring that the overall charge of the compound is balanced.
Plus charge, ie, it has H3O^+ ions (hydronium ions)
Yes, a reduction of silver can form Ag+ ions. When silver undergoes reduction, it loses one electron to form Ag+ ions, which have a positive charge.
Ions with a 1+ charge are formed when an atom loses one electron. Elements like sodium (Na), potassium (K), and silver (Ag) commonly form 1+ ions.
The charges of the ions must balance out, so the ratio of ions will be 3:2 to form a neutral compound. The total positive charge from the z3 plus ion and the total negative charge from the q2- ion must cancel out to give a net charge of zero in the compound.
Cations.
two elements with ions with a 2 plus charge are Sulfurand Oxygen
Na+ (sodium, plus one charge) OH- (hydroxide ion, one oxygen and one hydrogen, minus one charge)
Many different chemical species can form an ion with a plus 1 change. The most common example of cations of this type are the alkali metals, such as sodium and potassium.
The charge of Ca2+ is correct. Calcium typically oxidizes to form a 2+ cation by losing two electrons.